assume cs:code
data segment
	db 'conversation',0
data ends
code segment
start: mov ax,data
	   mov ds,ax
	   mov si,0
	   mov ax,0b800h
	   mov es,ax
	   mov di,12*160

s:     cmp byte ptr [si],0
       je ok
	   mov al,[si]
	   mov es:[di],al
	   inc si
	   add di,2
	   mov bx,offset s-offset ok
	   int 7ch
	   
ok:    mov ax,4c00h
       int 21h	   
code ends
end start
